1. What properties of carbon explain carbon's ability to form different large and complex structures?

Which of these is a physical property

How can parts of a solution be separated by chromatography?

Which of the following statements is true? a. most heat energy is easily recovered and used for useful actions. b. friction causes molecules to vibrate more slowly. burning air and gasoline in an c. engine changes chemical energy into mechanical energy. it is impossible to d. change mechanical energy into mechanical energy.